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Formula
kW = mW × 0.000001
Example
Example: convert 500 milliwatts to kilowatts.
500 mW = 0.0005 kW
Conversion table
| milliwatts (mW) | kilowatts (kW) |
|---|---|
| 1 mW | 0.000001 kW |
| 2 mW | 0.000002 kW |
| 5 mW | 0.000005 kW |
| 10 mW | 0.00001 kW |
| 20 mW | 0.00002 kW |
| 50 mW | 0.00005 kW |
| 100 mW | 0.0001 kW |
Explanation
These are both units.
How to convert milliwatts to kilowatts
- Start with the value in milliwatts (mW).
- Multiply it by 0.000001.
- The result is the measurement in kilowatts (kW).
Example: 500 mW → 0.0005 kW
Frequently Asked Questions
How do you convert watts to kilowatts?
Divide watts by 1,000 to get kilowatts (kW).
How do you convert kilowatts to watts?
Multiply kilowatts by 1,000 to get watts (W).
How many watts are in 1 horsepower?
1 mechanical horsepower equals about 745.7 watts.
How do you convert horsepower to kilowatts?
Multiply horsepower by about 0.7457 to get kilowatts.
What is the difference between power and energy?
Power is the rate of energy use, while energy is the total amount used over time.
What power units can I convert here?
This converter supports practical power units like watts, kilowatts, horsepower, and BTU per hour.
What is a watt?
A watt is a unit of power equal to 1 joule per second.
Can I use this for appliance or motor sizing?
Yes. It helps compare power ratings across common unit systems.
How do you convert watts to BTU per hour?
Multiply watts by about 3.41214 to get BTU/h.
Is kW the same as kWh?
No. kW is power (rate). kWh is energy (power × time). For example, running a 1 kW device for 1 hour uses 1 kWh.